But sometimes it's necessary when you have really big course load

但是有时候课程量很大的时候这是必要的，

开放式的课程？ - SpeakingMax英语口语达人

After the long sway of Theocritus' and Virgil's pastorals, ; of course Christianity entered the scene,a new dispensation; and Christianity began to load this pastoral literary tradition with its own set of associations.

在维吉尔等两人对田园诗的长久统治之后，基督教义作为新的统治思想兴起了;,并且开始以它自身的一套体系,附在田园诗的文学传统之上。

耶鲁公开课 - 弥尔顿课程节选